diff --git a/configure.ac b/configure.ac
index 148c91b..f7cabfb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -95,8 +95,6 @@ AC_ARG_ENABLE(smartcard,
 	     	case "$OSTYPE" in
 			darwin*)
 				AC_CHECK_HEADER(PCSC/pcsclite.h, [WITH_SCARD=1], [WITH_SCARD=0])
-				AC_DEFINE(PCSC_OSX)
-				AC_DEFINE(WITH_PCSC120)
 				PCSCLITE_CFLAGS=""
 				PCSCLITE_LIBS="-framework PCSC"
 				;;
@@ -113,6 +111,21 @@ AC_ARG_ENABLE(smartcard,
 			LIBS="$LIBS $PCSCLITE_LIBS"
 			AC_DEFINE(WITH_SCARD)
 		fi
+
+		AC_MSG_CHECKING([for old version of PCSC])
+		AC_TRY_LINK([
+			#include <stdlib.h>
+			#ifdef __APPLE__
+			#include <PCSC/wintypes.h>
+			#include <PCSC/winscard.h>
+			#else
+			#include <winscard.h>
+			#endif
+			],
+			[SCardControl(NULL, NULL, 0, NULL, NULL);],
+			[AC_MSG_RESULT(yes) AC_DEFINE(WITH_PCSC120, 1, [old version of PCSC])],
+			[AC_MSG_RESULT(no)]
+		)
              ])
 
 AC_SUBST(SCARDOBJ)
diff --git a/scard.c b/scard.c
index 357615d..af596f6 100644
--- a/scard.c
+++ b/scard.c
@@ -25,7 +25,7 @@
 #include <sys/types.h>
 #include <time.h>
 #ifndef MAKE_PROTO
-#ifdef PCSC_OSX
+#ifdef __APPLE__
 #include <PCSC/wintypes.h>
 #include <PCSC/pcsclite.h>
 #include <PCSC/winscard.h>